The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources

A comprehensive utilization of rebaudioside A (RA), stevioside (ST), and rebaudioside C (RC) from natural stevia resources was proposed. The influence of the solvent, solvent concentration, solid-liquid ratio, temperature, and time on the purity and recovery were investigated with response surface m...

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Autores principales:	Yingjie Luo, Lincai Peng, Zhaoziyuan Yang, Shun Yao, Hang Song
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	rebaudioside A stevioside rebaudioside C crystallization natural stevia resources Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/82570ff773a2463699658eef4a1c9240
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spelling	oai:doaj.org-article:82570ff773a2463699658eef4a1c92402021-11-25T18:59:18ZThe Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources10.3390/separations81102002297-8739https://doaj.org/article/82570ff773a2463699658eef4a1c92402021-11-01T00:00:00Zhttps://www.mdpi.com/2297-8739/8/11/200https://doaj.org/toc/2297-8739A comprehensive utilization of rebaudioside A (RA), stevioside (ST), and rebaudioside C (RC) from natural stevia resources was proposed. The influence of the solvent, solvent concentration, solid-liquid ratio, temperature, and time on the purity and recovery were investigated with response surface methodology. A 99% purity and 81% recovery of the RA were achieved by one crystallization of crude stevia under optimized conditions. Around a 95% purity and 80% recovery of the ST were easily achieved by the recrystallization of less value of mother liquor sugar (MLS) with a certain concentration of isopropyl alcohol–methanol aqueous solution. During the crystallization of the ST, the enriched RC in the liquid phase was more than three times higher than that in the crude stevia, which can provide cheaper RC raw material for the subsequent preparation of very expensive and high-purity RC.Yingjie LuoLincai PengZhaoziyuan YangShun YaoHang SongMDPI AGarticlerebaudioside Asteviosiderebaudioside Ccrystallizationnatural stevia resourcesPhysicsQC1-999ChemistryQD1-999ENSeparations, Vol 8, Iss 200, p 200 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	rebaudioside A stevioside rebaudioside C crystallization natural stevia resources Physics QC1-999 Chemistry QD1-999
spellingShingle	rebaudioside A stevioside rebaudioside C crystallization natural stevia resources Physics QC1-999 Chemistry QD1-999 Yingjie Luo Lincai Peng Zhaoziyuan Yang Shun Yao Hang Song The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources
description	A comprehensive utilization of rebaudioside A (RA), stevioside (ST), and rebaudioside C (RC) from natural stevia resources was proposed. The influence of the solvent, solvent concentration, solid-liquid ratio, temperature, and time on the purity and recovery were investigated with response surface methodology. A 99% purity and 81% recovery of the RA were achieved by one crystallization of crude stevia under optimized conditions. Around a 95% purity and 80% recovery of the ST were easily achieved by the recrystallization of less value of mother liquor sugar (MLS) with a certain concentration of isopropyl alcohol–methanol aqueous solution. During the crystallization of the ST, the enriched RC in the liquid phase was more than three times higher than that in the crude stevia, which can provide cheaper RC raw material for the subsequent preparation of very expensive and high-purity RC.
format	article
author	Yingjie Luo Lincai Peng Zhaoziyuan Yang Shun Yao Hang Song
author_facet	Yingjie Luo Lincai Peng Zhaoziyuan Yang Shun Yao Hang Song
author_sort	Yingjie Luo
title	The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources
title_short	The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources
title_full	The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources
title_fullStr	The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources
title_full_unstemmed	The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources
title_sort	preparation of high purity of rebaudioside a and stevioside and the enrichment of rebaudioside c by subsequent twice crystallizations from natural stevia resources
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/82570ff773a2463699658eef4a1c9240
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The Preparation of High Purity of Rebaudioside A and Stevioside and the Enrichment of Rebaudioside C by Subsequent Twice Crystallizations from Natural Stevia Resources

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